- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Inspiron 15 3521
- Secure Digital (SD) Card
- Base cover
- Battery
- Memory module
- M.2 solid-state drive
- 2.5-inch hard drive
- Wireless card
- Speakers
- System board thermal plate
- Touchpad
- Display assembly
- Display hinge caps
- Display bezel
- Display hinges
- Display panel
- Camera
- Display cable
- System board
- I/O daughter-board flexible flat cable
- I/O daughter-board
- Power button
- Power button with optional fingerprint reader
- Power-adapter port
- Display back-cover and antenna assembly
- Palm-rest and keyboard assembly
- Drivers and downloads
- BIOS setup
- Troubleshooting
- Handling swollen Lithium-ion batteries
- Dell SupportAssist Pre-boot System Performance Check diagnostics
- Built-in self-test (BIST)
- System-diagnostic lights
- Recovering the operating system
- Real-Time Clock (RTC Reset)
- Backup media and recovery options
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
Inspiron 15 3521 Service Manual
Installing the power-adapter port
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following images indicate the location of the power-adapter port and provide a visual representation of the installation procedure.
Steps
- Align and place the power-adapter port into its slot on the palm-rest and keyboard assembly.
NOTE: The power-adapter port is secured in place by the left display hinge. There is no screw, tape, or adhesives securing the power-adapter port to the palm rest. As a result, technicians should take note of whether the power-adapter port has fallen out of the system during subsequent removal procedures.
- Connect the power-adapter port cable to the connector on the system board.
- Close the left hinge towards the palm-rest and keyboard assembly.
- Replace the two screws (M2.5x5) to secure the left hinge in place to the palm-rest and keyboard assembly.
Next steps
- Install the display assembly.
- Install the wireless card.
- Install the base cover.
- Install the secure digital card.
- Follow the procedure in After working inside your computer.
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